LibWebView+ImageDecoder+RequestServer+WebContent: Add init_transport

Author: https://github.com/stasoid
Commit: 3e46cb9067
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/3179
Reviewed-by: https://github.com/ADKaster ✅

Services/RequestServer/ConnectionFromClient.cpp

@@ -279,6 +279,15 @@ void ConnectionFromClient::die()
         Core::EventLoop::current().quit(0);
 }
 
+Messages::RequestServer::InitTransportResponse ConnectionFromClient::init_transport([[maybe_unused]] int peer_pid)
+{
+#ifdef AK_OS_WINDOWS
+    m_transport.set_peer_pid(peer_pid);
+    return Core::System::getpid();
+#endif
+    VERIFY_NOT_REACHED();
+}
+
 Messages::RequestServer::ConnectNewClientResponse ConnectionFromClient::connect_new_client()
 {
     static_assert(IsSame<IPC::Transport, IPC::TransportSocket>, "Need to handle other IPC transports here");

Services/RequestServer/ConnectionFromClient.h

@@ -43,6 +43,7 @@ public:
 private:
     explicit ConnectionFromClient(IPC::Transport);
 
+    virtual Messages::RequestServer::InitTransportResponse init_transport(int peer_pid) override;
     virtual Messages::RequestServer::ConnectNewClientResponse connect_new_client() override;
     virtual Messages::RequestServer::IsSupportedProtocolResponse is_supported_protocol(ByteString const&) override;
     virtual void set_dns_server(ByteString const& host_or_address, u16 port, bool use_tls) override;

Services/RequestServer/RequestServer.ipc

@@ -5,6 +5,7 @@
 
 endpoint RequestServer
 {
+    init_transport(int peer_pid) => (int peer_pid)
     connect_new_client() => (IPC::File client_socket)
 
     // use_tls: enable DNS over TLS